These regions are centered on the North Pole. They include the northern parts of Canada, the United States, Russia, Finland, Sweden, Norway, Iceland, and Greenland.
arctic / arctic areas
20
a large mass of snow, ice, earth, rock, or other material in swift motion down a mountainside
avalanche
25
a dry place that receives little or almost no rainfall.
desert
20
_____ is a continuous period of dry weather when an area gets less than its normal amount of rain.
drought
20
two large pieces of the Earth's crust suddenly slip. This causes shock waves to shake the surface of the Earth
earthquake
20
a mountain that opens downward to a pool of molten rock below the surface of the earth.
a volcano
20
to send out lava, rocks, and ash in a sudden explosion
an eruption
25
an overflow of water on normally dry ground. This is most commonly due to an overflowing river, a dam break, snowmelt
flood
25
a large rotating storm with high speed winds that forms over warm waters in tropical areas
a hurricane
20
is hot, liquefied rock that flows from a volcano or other opening in the surface of Earth.
lava
20
a type of storm in which powerful rotating winds form a column, which reaches from a cloud down toward the ground
tornado
20
a large ocean wave usually caused by an underwater earthquake or a volcanic explosion.
a tsunami
20
Landslides
the sudden and rapid downward movement of a mass of rocks or earth on a steep slope
20
Hail storm
created when small water droplets* are caught in the updraught* of a thunderst
